cs50.harvard.edu

cs50.harvard.edu
CS50: Computer Science Courses and Programs from Harvard | edX
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Last update: . cs50.harvard.edu is a safe website about "CS50: Computer Science Courses and Programs from Harvard edX in University category. The server is running at 54.83.13.98 ip address and there is a secure connection certificate between the website and the visitor. When we did a security search, no viruses or spam were detected on web page. The similar & alternative web sites to cs50.harvard.edu.

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⏰ Status: Cs50 harvard edu- is Down?

From the table below, you can track the service conditions that we have periodically check in relation to the interruptions.

DateServer StatusSpeed
2024-09-10 08:48:02 Online0.0314 Second
2024-09-09 14:48:03 Online0.0343 Second
2024-09-08 20:49:03 Online0.0322 Second
2024-09-08 02:50:03 Online0.0311 Second
2024-09-07 08:51:04 Online0.0321 Second
2024-09-06 14:51:04 Online0.0231 Second
2024-09-05 20:50:03 Online0.0354 Second
2024-09-05 02:51:03 Online0.0378 Second
2024-09-04 08:51:03 Online0.0331 Second
2024-09-03 14:51:03 Online0.0376 Second
2024-09-02 20:52:03 Online0.0334 Second
2024-09-02 01:15:05 Online0.0345 Second
2024-09-01 07:16:03 Online0.0293 Second
2024-08-31 13:15:02 Online0.0288 Second
2024-08-30 19:16:03 Online0.0406 Second
2024-08-30 01:15:03 Online0.0270 Second
2024-08-29 07:16:03 Online0.0324 Second
2024-08-28 13:16:02 Online0.0331 Second
2024-08-27 19:17:03 Online0.0271 Second
2024-08-27 01:17:02 Online0.0549 Second

Known Searchs

cs50x 16K
cs50 12K
cs50 python 9K
cs50p 9K
cs50w 6K

☁ Content Metrics

  1. Python 5%
  2. Website 3%
  3. HTML 3%
  4. Based 3%
  5. CSS 3%
  6. JavaScript 2%
  7. SQL 2%
  8. and 2%
  9. the 1%
  10. that 1%
  11. website 1%
  12. for 1%
  13. Harvard 1%
  14. you 1%
  15. with 1%
  16. users 0%
  17. Game 0%
  18. CS50 0%
  19. web 0%
  20. other 0%
  21. %

Website raw text content tells search engines what your web page content is about. The word usage rate is very important and the frequency of words used above 4% is perceived as spam.

☯ Technology Analysis

  • Analytics icon Cloudflare Browser Insights
  • Advertising Networks icon Google AdSense
  • Analytics icon Google Analytics
  • Tag Managers icon Google Tag Manager
  • OneTrust

☂ Security Analytics

    ✇ DNS Records

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    SOA300 a1-171.akam.net netmanager.harvard.edu
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    ℹ Whois Records

    Domain Name: HARVARD.EDU Registrant: Harvard University 784 Memorial Drive MA Cambridge, MA 02139 USA Administrative Contact: Benjamin Dash Harvard University 784 Memorial Drive Cambridge, MA 02138 USA +1.6174955708 Benjamin_Dash✉harvard.edu Technical Contact: Network Operations Harvard University HUIT Network Services 60 Oxford Street Cambridge, MA 02139 USA +1.6174955708 netmanager✉harvard.edu Name Servers: A16-64.AKAM.NET A1-171.AKAM.NET A10-66.AKAM.NET A7-65.AKAM.NET A11-67.AKAM.NET A6-66.AKAM.NET Domain record activated: 27-Jun-1985 Domain record last updated: 13-Feb-2024 Domain expires: 31-Jul-2026

    ☰ Http Headers

    date tue, 14 may 2024 18
    content-type text/html
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    server nginx
    last-modified wed, 01 may 2024 16
    etag w/"ba18ea2eb705bd351c6026ef6813f0a6"
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    x-content-type-options nosniff
    content-security-policy frame-ancestors 'self'
    x-frame-options sameorigin
    permissions-policy camera=(self), geolocation=(self), microphone=(self)
    referrer-policy strict-origin
    x-xss-protection 0
    content-encoding gzip

    ⚔ SSL Analytics

    SubjectCN = cs50.harvard.edu
    IssuerC = US, O = Amazon, CN = Amazon RSA 2048 M02
    Version2
    Serial Number06a79a72205bc47d713169cb56697751
    Signature Algorithmsha256WithRSAEncryption
    Public Key AlgorithmrsaEncryption
    Authority Key IdentifierC0:31:52:CD:5A:50:C3:82:7C:74:71:CE:CB:E9:9C:F9:7A:EB:82:E2
    Subject Key IdentifierC6:87:B2:81:F7:3C:05:1D:21:26:6D:39:85:97:D9:9D:DE:05:11:F0
    Subject Alternative NameDNS:cs50.harvard.edu, DNS:*.cs50.harvard.edu
    Certificate PoliciesPolicy: 2.23.140.1.2.1
    Key UsageDigital Signature, Key Encipherment
    Extended Key UsageTLS Web Server Authentication, TLS Web Client Authentication
    CRL Distribution PointsFull Name: URI:http://crl.r2m02.amazontrust.com/r2m02.crl
    Authority Information AccessOCSP - URI:http://ocsp.r2m02.amazontrust.com CA Issuers - URI:http://crt.r2m02.amazontrust.com/r2m02.cer
    Basic ConstraintsCA:FALSE
    CT Precertificate SCTsSigned Certificate Timestamp: Version : v1 (0x0) Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34: B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74 Timestamp : Nov 24 02:35:14.627 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FB:26:26:D5:6C:B6:30:DB:67:4F:D4: CB:F6:CC:84:72:11:39:0C:97:D3:47:13:E7:3D:3C:83: FB:7F:8D:22:3B:02:21:00:FE:1B:72:A6:6E:CB:59:17: 1E:E1:FB:27:4E:82:31:52:8B:B2:93:2E:0C:9C:25:C3: 0E:ED:1E:7B:A0:BC:30:18 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB: 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73 Timestamp : Nov 24 02:35:14.587 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1B:4B:63:00:C4:BC:21:E2:25:A0:4F:9B: 77:F3:E0:A7:30:11:34:4B:23:B1:4F:D1:88:BA:C8:08: 16:1B:94:7C:02:20:71:F5:D4:9E:7B:AF:5E:4F:B4:A4: CC:7E:C6:8C:CA:59:D3:CF:45:31:ED:68:D7:DF:DA:BE: 72:B9:BE:70:02:4C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70: 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB Timestamp : Nov 24 02:35:14.570 2023 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0E:52:7F:73:DC:2D:98:CB:70:73:87:8D: 7E:F1:B1:0A:46:95:69:80:4C:F1:3C:89:17:52:41:21: 35:0B:DC:C5:02:20:23:32:27:01:E8:0E:C1:8F:9C:EB: A9:A1:EE:D1:E8:70:EE:06:76:03:0C:3F:13:AE:42:57: 33:54:38:D5:2B:B3
    Start dateNov 24 00:00:00 2023 GMT
    Expire dateDec 22 23:59:59 2024 GMT
    RSA Public Key2048
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    rsa(e)10001
    Signature00:a1:68:65:29:a2:94:3d:a3:c7:89:71:76:4f:bc:26:b0:37:2c:bc:18:02:1c:43:d4:7e:06:bc:1b:c7:ca:5d:73:af:3d:aa:8a:13:ac:e9:ba:ad:71:8e:a8:08:14:e8:18:ee:27:6a:78:ae:bc:6e:45:5f:75:ef:cb:57:55:aa:22:e8:bf:bd:1f:a2:08:17:58:b4:c7:2f:e1:a8:dd:b0:f8:06:26:27:43:02:df:70:7a:ec:77:52:1c:af:03:9c:e9:54:b8:55:a4:79:90:3e:bc:79:9e:36:9d:28:e3:52:2a:82:85:a4:47:25:05:e6:e9:46:5b:aa:d8:f7:54:57:38:22:4b:be:be:88:0e:0c:07:27:bb:f9:2b:a3:88:ef:98:07:f0:f6:b1:f8:58:4d:36:e2:55:a8:11:b1:01:2a:b2:08:4a:f8:01:ef:31:98:d2:d5:27:83:d5:30:7c:9b:de:fe:16:0a:d8:29:62:b4:9b:7e:d5:ef:d6:91:6f:94:31:5d:23:37:64:ea:b0:d7:81:11:24:46:d4:4f:70:93:7c:8c:60:6e:6c:81:ba:0e:83:e1:c5:55:6d:bc:e0:be:a1:eb:49:d2:28:07:8f:0a:b3:b9:78:4e:d2:dc:f6:0a:86:92:ef:22:f1:7d:3c:4f:26:99:a9:a1:8b:4c:8d:fa:

    ⚔ Relationship Network Graph

    Here you can see the list of countries, links, IP addresses, domains and cookies that the website connects to or is somehow related to.

    Countries: US - BE - DE
    Domains: www.edx.org - prod-discovery.edx-cdn.org - cdn.cookielaw.org - cdn.segment.io - www.googletagmanager.com - bam.nr-data.net - api2.branch.io - www.google-analytics.com - fonts.gstatic.com - fonts.googleapis.com - logx.optimizely.com - utt.impactcdn.com - js-agent.newrelic.com - region1.google-analytics.com - www.google.de - www.google.com - pagead2.googlesyndication.com - stats.g.doubleclick.net - api.segment.io - app.link - cdn.branch.io - cdn.speedcurve.com - geolocation.onetrust.com - static.cloudflareinsights.com - chatbot-frontend.prod.ai.2u.com - edx.org - cs50.harvard.edu
    IP Adresses: 34.111.140.246 - 162.247.243.29 - 35.186.249.72 - 2602:816:5001::39 - 2001:4860:4802:34::36 - 142.250.186.99 - 172.217.16.196 - 2600:9000:2491:9c00:11:f728:3040:93a1 - 142.250.185.194 - 2a00:1450:400c:c00::9a - 2a00:1450:4001:803::200e - 2a00:1450:4001:813::2008 - 34.223.74.168 - 2a00:1450:4001:800::2003 - 2600:9000:2057:2800:19:9934:6a80:93a1 - 2606:4700::6810:af8e - 2a00:1450:4001:810::200a - 108.138.26.87 - 151.101.194.217 - 2606:4700:4400::ac40:9b77 - 18.244.18.71 - 2606:4700::6810:5049 - 108.138.26.120 - 2606:4700::6813:b134 - 2606:4700::6810:c150 - 143.204.215.20 - 107.21.208.196
    Link Outs: courses.edx.org - business.edx.org - www.facebook.com - twitter.com - www.linkedin.com - www.reddit.com - open.edx.org - press.edx.org - support.edx.org - beian.miit.gov.cn - itunes.apple.com - play.google.com - www.onetrust.com
    Coookies: cs50.harvard.edu - AWSALB - 0E3prGjubGJGCpYfW+Olar6QRBgJRMBvUuOhsPVJh0XaL9qc5/kfxj2V7FM1OulniNeMeY6BUxAZxrBK8kdAzGecSC4sptHdHHFzk2kryxwhbaao3zPkIUVO/NaG

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